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<head>
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    <title>left</title>
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<ul>
    <li><a href="index.html" target="_blank">index</a> </li><br/>
    <li><a href="index.html" target="_blank">news</a> </li><br/>
    <li><a href="index.html" target="_blank">picture</a> </li><br/>
    <li><a href="index.html" target="_blank">introduction</a> </li><br/>
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